Back to Substitution and Evaluation — Problem 2 · Task Set 38

Exercises: Substitution and Evaluation

Substitute the given value(s) in brackets before computing, and follow the order of operations.

Grade 7·18 problems·~27 min·Uganda NCDC Primary 7 Mathematics·lesson·algebra-02
Work through problems with immediate feedback
A

Fluency Practice

1

If x=3x = 3, evaluate 5x−25x - 2.